package handler

import (
	"cruel-manage-sys/cache"
	"cruel-manage-sys/model"
	"cruel-manage-sys/pkg"
	"encoding/json"
	"github.com/gin-gonic/gin"
	"strconv"
	"time"
)

func Login(c *gin.Context) {
	username := c.PostForm("username")
	password := c.PostForm("password")
	if username == "" || password == "" {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "字段不能为空",
		})
		return
	}
	redis_key := "login_" + username
	cacheData, _ := cache.Rdb.Get(cache.Ctx, redis_key).Int()
	if cacheData == 3 {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "密码错误3次禁止登录",
		})
		return
	}
	var user model.User
	err := model.DB.Where("username=?", username).First(&user).Error
	if err != nil {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "账号或密码不正确",
		})
		return
	}
	if user.ID == 0 {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "账号不存在",
		})
		return
	}
	if user.Password != pkg.Md5Str(password) {
		cache.Rdb.Incr(cache.Ctx, redis_key) //密码错误一次缓存加一
		if cacheData == 2 {
			cache.Rdb.Set(cache.Ctx, redis_key, 3, time.Hour*2)
			c.JSON(200, gin.H{
				"code": 500,
				"msg":  "密码错误3次封禁2小时",
			})
			return
		}
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "密码错误",
		})
		return
	}
	c.JSON(200, gin.H{
		"code": 200,
		"msg":  "登入成功",
		"data": user,
	})
	return
}
func Add(c *gin.Context) {
	username := c.PostForm("username")
	password := c.PostForm("password")
	if username == "" || password == "" {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "字段不能为空",
		})
		return
	}
	data := model.User{
		Username: username,
		Password: password,
	}
	err := model.DB.Create(&data).Error
	if err != nil {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "添加失败",
		})
		return
	}
	c.JSON(200, gin.H{
		"code": 200,
		"msg":  "添加成功",
	})
	return
}
func List(c *gin.Context) {
	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
	size, _ := strconv.Atoi(c.DefaultQuery("size", "5"))
	offset := (page - 1) * size
	var list []model.User
	redis_key := "list_" + strconv.Itoa(page)

	cacheData, _ := cache.Rdb.Get(cache.Ctx, redis_key).Result()
	if cacheData == "" {
		model.DB.Table("users").Offset(offset).Limit(size).Debug().Find(&list)
		jsonData, _ := json.Marshal(list)
		cache.Rdb.Set(cache.Ctx, redis_key, jsonData, time.Hour*2)
	} else {
		json.Unmarshal([]byte(cacheData), &list)
	}
	var count int64
	model.DB.Model(&model.User{}).Count(&count)
	c.JSON(200, gin.H{
		"code": 200,
		"msg":  "查询成功",
		"data": gin.H{
			"count": count,
			"list":  list,
		},
	})
	return
}
func Detail(c *gin.Context) {
	id := c.Query("id")
	var user model.User
	redis_key := "list_detail" + id

	cacheData, _ := cache.Rdb.Get(cache.Ctx, redis_key).Result()
	if cacheData == "" {
		model.DB.
			Where("id=?", id).
			Debug().
			First(&user)
		jsonData, _ := json.Marshal(user)
		cache.Rdb.Set(cache.Ctx, redis_key, jsonData, time.Hour*2)
	} else {
		json.Unmarshal([]byte(cacheData), &user)
	}
	c.JSON(200, gin.H{
		"code": 200,
		"data": user,
		"msg":  "查询成功",
	})
	return
}
func Del(c *gin.Context) {
	id := c.Query("id")
	var user model.User
	model.DB.Where("id=?", id).Delete(&user)
	c.JSON(200, gin.H{
		"code": 200,
		"msg":  "删除成功",
	})
	return
}
